DH

David L. Helterbrand

📍 Garland, TX: #204 of 1,186 inventorsTop 20%
🗺 Texas: #24,375 of 125,132 inventorsTop 20%
Overall (All Time): #858,484 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8899805 Vehicle light bar and method for producing the same John Helterbrand 2014-12-02
5671605 Refrigerant recovery system 1997-09-30
5232270 Spoked wheel 1993-08-03
4805817 Locking bar for use with a spare tire carrier 1989-02-21
4765051 Method for constructing a locking bar for use in a spare tire carrier 1988-08-23
4711382 Spare tire carrier 1987-12-08